Distribution: Oklahoma, Texas and Arkansas, east to Alabama, north to Minnesota. Rare.Habitat: moist soils along streams and woodland borders.Comments: Malus is the classical name for apples; ioensis refers to Iowa.Field identification: Prairie crab apple can be recognized by its unique leaf shape and tomentose stems and inflorescence.Horticulture: Prairie crab apple has been cultivated since 1885, primarily for its showy and fragrant flowers.Food uses: The fruits are hard and sour, but have been used to make jellies, cider and vinegar.Wildlife benefits: The fruits are eaten by several species of birds and mammals.NWI status: none